A. 1. Bacillus anthracis
B. 2. Brucella species
C. 3. Bordetelia pertussis
D. 4. Clostridium weichii
✅ The correct answer is option 3. Bordetelia pertussis.
Medical
Phase contrast microscopy is based on principle of__________________?
A. Different refractive indices of object
B. Different reflective indices of object
C. Light scattering
D. Light attenuation
✅ The correct answer is option Different refractive indices of object.
A 6 year old boy comes with abdominal pain, vomiting after consuming mild products within 6 hours. The most likely organism responsible is______________?
A. Staph. aureus
B. Salmonella
C. B.Cereus
D. Clostridium botulinum
✅ The correct answer is option Staph. aureus.
HIV is transmitted by all of the following routes except________________?
A. Saliva
B. Needle prick injury
C. Blood transmission
D. Sexual intercourse
✅ The correct answer is option Saliva.
The function of IgD is______________?
A. Antigen recognition by B cells
B. Localization protection in external secretion
C. Compliment activation
D. Reagin activity
✅ The correct answer is option Antigen recognition by B cells.
The predominant immunoglobulin in saliva is_______________?
A. IgA
B. IgD
C. IgE
D. IgG
✅ The correct answer is option IgA.
Haptane is_______________?
A. Same as epitopes
B. Carrier required for specific antibody production
C. High molecular protein
D. None of the above
✅ The correct answer is option Carrier required for specific antibody production.
Mesophilic organisms are those that grow best at temperature of______________?
A. -20°C to -7°C
B. -7°C to + 20°C
C. 25°C to 40°C
D. 55°C to 80°C
✅ The correct answer is option 25°C to 40°C.
The inflammatory type of tinea capitis with superadded secondary bacterial infection leading to a painful, circumscribed, boggy, and indurated lesion, is called_____________?
A. Kerison
B. Alopecia areata
C. Pilomatrixoma
D. Tenia incognito
✅ The correct answer is option Kerison.
Which of the following antibacterial substance is present in eggs and saliva ?
A. Lysozyme
B. Secretozyme
C. Albumin
D. Isozyme
✅ The correct answer is option Lysozyme.